/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/PolyPathFunctions.h
Create a 2D, flattened copy of the path by dropping the given axis, and using the other two coordinates as the new X, Y coordinates.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="GeometryScript|PolyPath", Meta=(ScriptMethod, DisplayName="Flatten To 2D On Axis")) static [FGeometryScriptPolyPath](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptPolyPath) FlattenTo2DOnAxis ( [FGeometryScriptPolyPath](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptPolyPath) PolyPath, [EGeometryScriptAxis](API\Plugins\GeometryScriptingCore\GeometryScript\EGeometryScriptAxis) DropAxis )